import serial
import time
ser = serial.Serial(port='/dev/ttyUSB0', baudrate=115200)
ser.write(b'HX\x02\x02\x00')
time.sleep(1)
ser.write(b'HX\x02\x02\x01')
print(f"Listening for messages on {ser.name}:")
while True:
    print(ser.readline())
ser.close()